handle deprecation of FCNTL in python2.2+

Author: Richard Jones

roundup/mailgw.py

@@ -73,7 +73,7 @@ class node. Any parts of other types are each stored in separate files
 an exception, the original message is bounced back to the sender with the
 explanatory message given in the exception. 
 
-$Id: mailgw.py,v 1.121 2003-04-27 02:16:46 richard Exp $
+$Id: mailgw.py,v 1.122 2003-06-18 23:31:52 richard Exp $
 '''
 
 import string, re, os, mimetools, cStringIO, smtplib, socket, binascii, quopri
@@ -221,7 +221,12 @@ def do_mailbox(self, filename):
             pass each to the mail handler.
         '''
         # open the spool file and lock it
-        import fcntl, FCNTL
+        import fcntl
+        # FCNTL is deprecated in py2.3 and fcntl takes over all the symbols
+        if hasattr(fcntl, 'LOCK_EX'):
+            FCNTL = fcntl
+        else:
+            import FCNTL
         f = open(filename, 'r+')
         fcntl.flock(f.fileno(), FCNTL.LOCK_EX)